FBIvsFDPWhich spelling fits?

Which to use

“FBI” and “FDP” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,189
“FBI” frequency rank
#1,414
“FDP” frequency rank
10603
confusion score

Side-by-Side Comparison

Feature FBI FDP
Definition Federal Bureau of Investigation, die Ermittlungsbehörde der Vereinigten Staaten von Amerika Kurzbezeichnung der Freien Demokratischen Partei der BRD bis 1968 und seit 2001, dazwischen F.D.P.

Where the eye mixes FBI and FDP

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
FBI
3 ch
FDP

Look-alike desk: FBI vs FDP

A purely visual mix-up. FBI ([ɛfbiːˈʔaɪ̯]) and FDP ([ɛfdeːˈpeː]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 10603, derived from the frequency rank of both members and their visual similarity.

FBI is recorded at frequency rank #9,189, classified as anabbrev, pronounced [ɛfbiːˈʔaɪ̯]. FDP is at rank #1,414, tagged as anabbrev, pronounced [ɛfdeːˈpeː].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 10603, this pair ranks #1,974,319 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of FBI vs FDP

Shared letters: f. Private to "FBI": bi. Private to "FDP": dp.

"FBI" · 3 letters · shape CCV  ·  "FDP" · 3 letters · shape CCC

Frequently Asked Questions

Can "FBI" and "FDP" be used interchangeably?
No. They are said differently ([ɛfbiːˈʔaɪ̯] versus [ɛfdeːˈpeː]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "FBI" vs "FDP" - which ranks higher?
"FDP" is the more common of the two: it sits at frequency rank #1,414 in our German list, against #9,189 for "FBI". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "FBI" and "FDP" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "FBI" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "FDP" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,974,319 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "FBI" and "FDP" also get mixed up with nearby pairs, the highest-scored neighbour is "fay vs FBI". Nearby pair

Confusion rank #1,974,319 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list